3.1.1 Where
a space is occupied by both passengers and crew, the more stringent
of the relevant requirements apply unless agreed between the Builder
and Owner and this agreement advised to LR.
3.1.2 The limits apply to vertical, longitudinal and transverse vibrations which
are to be assessed separately.
3.1.4 Acceptance of vibration levels greater than those specified in Table 12.3.1 Passenger ship - Maximum vibration
levels and Table 12.3.2 Crew spaces - Maximum vibration
levels may be considered for assignment of the applicable
class notation where agreed between the Owner, Builder and LR.
Table 12.3.1 Passenger ship - Maximum vibration
levels
| Standard:
|
ISO 20283-5
|
| Units:
|
Frequency weighted
velocity level (1–80 Hz), mm/s r.m.s.
|
|
|
Acceptance
Numeral
|
|
Location
|
1
|
2
|
3
|
| Passenger cabin Luxury
|
1,5
|
1,8
|
2,1
|
| Passenger cabin Standard
|
1,8
|
2,1
|
2,4
|
| Public spaces
|
2,0
|
2,5
|
3,0
|
| Open recreation decks
|
2,5
|
3,0
|
3,5
|
Note The vibration level may be exceeded by 0,3 mm/s in the
ship's aft body directly above the propellers.
|
Table 12.3.2 Crew spaces - Maximum vibration
levels
| Standard:
|
ISO 20283-5
|
| Units:
|
Frequency weighted velocity level
(1–80 Hz), mm/s r.m.s.
|
|
Location
|
|
| Accommodation and navigation spaces
|
3,5
|
| Work spaces
|
5,0
|